/*
	 * Superfish v1.4.8 - jQuery menu widget
	 * Copyright (c) 2008 Joel Birch
	 *
	 * Dual licensed under the MIT and GPL licenses:
	 * 	http://www.opensource.org/licenses/mit-license.php
	 * 	http://www.gnu.org/licenses/gpl.html
	 *
	 * CHANGELOG: http://users.tpg.com.au/j_birch/plugins/superfish/changelog.txt
	 */

	(function($){
		$.fn.superfish = function(op){

			var sf = $.fn.superfish,
				c = sf.c,
				$arrow = $(['<span class="',c.arrowClass,'"> &#187;</span>'].join('')),
				over = function(){
					var $$ = $(this), menu = getMenu($$);
					clearTimeout(menu.sfTimer);
					$$.showSuperfishUl().siblings().hideSuperfishUl();
				},
				out = function(){
					var $$ = $(this), menu = getMenu($$), o = sf.op;
					clearTimeout(menu.sfTimer);
					menu.sfTimer=setTimeout(function(){
						o.retainPath=($.inArray($$[0],o.$path)>-1);
						$$.hideSuperfishUl();
						if (o.$path.length && $$.parents(['li.',o.hoverClass].join('')).length<1){over.call(o.$path);}
					},o.delay);	
				},
				getMenu = function($menu){
					var menu = $menu.parents(['ul.',c.menuClass,':first'].join(''))[0];
					sf.op = sf.o[menu.serial];
					return menu;
				},
				addArrow = function($a){ $a.addClass(c.anchorClass).append($arrow.clone()); };
				
			return this.each(function() {
				var s = this.serial = sf.o.length;
				var o = $.extend({},sf.defaults,op);
				o.$path = $('li.'+o.pathClass,this).slice(0,o.pathLevels).each(function(){
					$(this).addClass([o.hoverClass,c.bcClass].join(' '))
						.filter('li:has(ul)').removeClass(o.pathClass);
				});
				sf.o[s] = sf.op = o;
				
				$('li:has(ul)',this)[($.fn.hoverIntent && !o.disableHI) ? 'hoverIntent' : 'hover'](over,out).each(function() {
					if (o.autoArrows) addArrow( $('>a:first-child',this) );
				})
				.not('.'+c.bcClass)
					.hideSuperfishUl();
				
				var $a = $('a',this);
				$a.each(function(i){
					var $li = $a.eq(i).parents('li');
					$a.eq(i).focus(function(){over.call($li);}).blur(function(){out.call($li);});
				});
				o.onInit.call(this);
				
			}).each(function() {
				var menuClasses = [c.menuClass];
				if (sf.op.dropShadows  && !($.browser.msie && $.browser.version < 7)) menuClasses.push(c.shadowClass);
				$(this).addClass(menuClasses.join(' '));
			});
		};

		var sf = $.fn.superfish;
		sf.o = [];
		sf.op = {};
		sf.IE7fix = function(){
			var o = sf.op;
			if ($.browser.msie && $.browser.version > 6 && o.dropShadows && o.animation.opacity!=undefined)
				this.toggleClass(sf.c.shadowClass+'-off');
			};
		sf.c = {
			bcClass     : 'sf-breadcrumb',
			menuClass   : 'sf-js-enabled',
			anchorClass : 'sf-with-ul',
			arrowClass  : 'sf-sub-indicator',
			shadowClass : 'sf-shadow'
		};
		sf.defaults = {
			hoverClass	: 'sfHover',
			pathClass	: 'overideThisToUse',
			pathLevels	: 1,
			delay		: 800,
			animation	: {opacity:'show'},
			speed		: 'normal',
			autoArrows	: true,
			dropShadows : true,
			disableHI	: false,		// true disables hoverIntent detection
			onInit		: function(){}, // callback functions
			onBeforeShow: function(){},
			onShow		: function(){},
			onHide		: function(){}
		};
		$.fn.extend({
			hideSuperfishUl : function(){
				var o = sf.op,
					not = (o.retainPath===true) ? o.$path : '';
				o.retainPath = false;
				var $ul = $(['li.',o.hoverClass].join(''),this).add(this).not(not).removeClass(o.hoverClass)
						.find('>ul').hide().css('visibility','hidden');
				o.onHide.call($ul);
				return this;
			},
			showSuperfishUl : function(){
				var o = sf.op,
					sh = sf.c.shadowClass+'-off',
					$ul = this.addClass(o.hoverClass)
						.find('>ul:hidden').css('visibility','visible');
				sf.IE7fix.call($ul);
				o.onBeforeShow.call($ul);
				$ul.animate(o.animation,o.speed,function(){ sf.IE7fix.call($ul); o.onShow.call($ul); });
				return this;
			}
		});

	})(jQuery);